Projects per year
Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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Dive into the research topics where Christian Holger Valqui Haase is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Herramientas Algebraicas y Geométricas para Problemas en Teoría de Números y Geometría No Conmutativa
Valqui Haase, C. H. (PI), Arce Flores, J. D. (CoI), Chirre Chávez, C. A. (CoI), Velasquez Castañon Oswaldo Jose (CoI), Ferradas Somocurcio, M. J. (Other) & Molero Ravines, B. S. (Other)
1/08/25 → 31/07/27
Project: Research
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Geometría no conmutativa: Ecuación de Yang-Baxter, productos torcidos, cohomología y conjetura del Jacobiano.
Valqui Haase, C. H. (PI)
8/08/19 → …
Project: Research
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Conjetura del Jacobiano, productos torcidos y cohomología cíclica
Valqui Haase, C. H. (PI), Jorge Alberto, J. A. (CoI) & Juan Jose, J. J. (CoI)
Project: Research
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Cohomología cíclica de extensiones cleft, productos torcidos y geometría algebraica afín.
Valqui Haase, C. H. (PI), Jorge, J. (CoI) & Juan Jose, J. J. (CoI)
Project: Research
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Conjetura del Jacobiano y tamaño mínimo de contraejemplos
Valqui Haase, C. H. (PI), Jorge, J. (CoI), Juan Jose, J. J. (CoI) & Rodrigo Manuel, R. M. (Other)
Project: Research
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Cohomology of linear cycle sets when the adjoint group is finite abelian
Guccione, J. A., Guccione, J. J. & Valqui, C., 15 Sep 2026, In: Journal of Algebra. 702, p. 265-301 37 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Extensions of a family of linear cycle sets
Guccione, J. A., Guccione, J. J. & Valqui, C., 2026, In: Communications in Algebra. 54, 5, p. 1976-2025 50 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
The lower side of the Newton polygon of hypothetical counterexamples to the plane Jacobian conjecture
Guccione, J. A., Guccione, J. J. & Valqui, C., 2026, (Accepted/In press) In: Quaestiones Mathematicae.Research output: Contribution to journal › Article › peer-review
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Hopf Q-braces structures on rank one pointed Hopf algebras
Guccione, J. A., Guccione, J. J. & Valqui, C., 1 Oct 2026, In: Journal of Algebra and its Applications. 25, 12, 2650149.Research output: Contribution to journal › Article › peer-review
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Number of homogeneous components of counterexamples to the Dixmier conjecture
Guccione, J. A., Guccione, J. J. & Valqui, C., 2025, In: Communications in Algebra. 53, 3, p. 1307-1319 13 p.Research output: Contribution to journal › Article › peer-review